EP0931659A1 - Réservoir d'alimentation en encre pouvant être raccordé à une imprimante à jet d'encre, système contenant un tel réservoir et tête d'impression à jet d'encre - Google Patents

Réservoir d'alimentation en encre pouvant être raccordé à une imprimante à jet d'encre, système contenant un tel réservoir et tête d'impression à jet d'encre Download PDF

Info

Publication number
EP0931659A1
EP0931659A1 EP99200093A EP99200093A EP0931659A1 EP 0931659 A1 EP0931659 A1 EP 0931659A1 EP 99200093 A EP99200093 A EP 99200093A EP 99200093 A EP99200093 A EP 99200093A EP 0931659 A1 EP0931659 A1 EP 0931659A1
Authority
EP
European Patent Office
Prior art keywords
ink
supply container
ink supply
ink chamber
porous material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99200093A
Other languages
German (de)
English (en)
Other versions
EP0931659B1 (fr
Inventor
Peter Joseph Hollands
Hans Reinten
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Production Printing Netherlands BV
Original Assignee
Oce Technologies BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oce Technologies BV filed Critical Oce Technologies BV
Publication of EP0931659A1 publication Critical patent/EP0931659A1/fr
Application granted granted Critical
Publication of EP0931659B1 publication Critical patent/EP0931659B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17513—Inner structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17506—Refilling of the cartridge

Definitions

  • the invention relates to an ink supply container comprising an ink chamber wherein the ink supply container is provided with an ink filling opening leading into the ink chamber and an ink outflow opening leading out of the ink chamber, the ink outflow opening being suitable for connection to an inkjet printhead, the ink supply container further being provided with, or at least being connectable to, means for maintaining a negative pressure in the ink chamber.
  • the invention also relates to an inkjet system comprising an inkjet printhead and an ink supply container.
  • a negative pressure should be present in the ink reservoir or ink duct connected to the nozzles of an inkjet printhead in order to prevent undesirable leakage of the ink through the nozzles.
  • This requirement means that replenishing an ink supply container with ink is not an immediately simple matter. Unless a closed throwaway system is used, additional means must be used for replenishment, or else the ink supply container must be provided with special constructions to render replenishment possible.
  • a negative pressure can be obtained hydrostatically as known, for example, from US patent 4 571 599.
  • An auxiliary reservoir is present in this main reservoir and is in liquid communication therewith and contains an air bubble in which the pressure is equal to the atmospheric pressure.
  • the atmospheric pressure is maintained therein by means of a diaphragm which is air-permeable but liquid-impermeable.
  • a change of the ink level and hence of the pressure in the main reservoir is cancelled by admitting air into the auxiliary reservoir.
  • a disadvantage of an arrangement of this kind is the requirement that the ink reservoir must be situated beneath the inkjet printhead in order to obtain the required hydrostatic pressure drop. Also, the system described here is designed as a throwaway system and the ink cannot be replenished.
  • US Patent 4 509 062 describes an inkjet arrangement wherein the inkjet printhead is situated beneath a closed ink reservoir.
  • the reservoir is in liquid communication with the nozzles of the inkjet printhead.
  • the required constant negative pressure is obtained by means of a diaphragm defining the ink reservoir, an external force being applied to the diaphragm by means of a spring.
  • the description also states that the diaphragm and spring can be combined by making the diaphragm from an elastic material. There is no indication how the reservoir can be replenished with ink.
  • US Patent 5 039 999 describes how a constant negative pressure is maintained in a closed inkjet reservoir by means of a piston- in a cylindrical part of the ink reservoir.
  • the cylinder is in liquid communication with the closed ink reservoir.
  • the volume of the ink reservoir is enlarged by movement of the piston and a negative pressure obtained therein.
  • the space between the cylinder and the piston wall is in this case hermetically sealed by the ink present therein.
  • the ink reservoir is closed by a special filling opening. Air bubbles are trapped in circular grooves between the piston and cylinder wall.
  • a refill opening is used which is sealed by means of a plug. Continuous or automatic replenishment is not possible with this arrangement.
  • European Patent EP 0 444 654 describes an inkjet system with a closed ink reservoir provided with an ink injection opening and an air outlet valve. The required negative pressure is obtained by sponge-like material present in the ink reservoir. In the operating mode, the ink injection opening forms the ink outlet duct so that an inkjet printhead connected to the ink outlet duct must be removed for any replenishment.
  • European Patent EP 0 645 244 describes an inkjet arrangement wherein the inkjet printhead is situated beneath or next to an ink reservoir. The ink reservoir is removably connected, via a leak-free coupling, to a liquid transport duct leading to the nozzles of an inkjet printhead.
  • a filter chamber is provided in this liquid transport duct and has therein an ink-permeable filter of metal gauze. The function of the metal gauze is to retain impurities in the ink. The reservoir is replaced when the ink has been used up.
  • US Patent 4 791 438 describes an inkjet arrangement wherein a negative pressures is maintained in a main reservoir, by means of an extra reservoir connected via a capillary duct to the main reservoir, the negative pressure being maintained by the capillary action of said duct. Ink is fed to the extra reservoir via a supply opening intended for the purpose and sealable by means of a plug. Ink cannot be replenished continuously or automatically with this arrangement.
  • the ink supply container according to the invention obviates the above disadvantages and is charactgerised in that porous material is present between the ink filling opening and the ink chamber.
  • Suitably selected porous material in an ink-saturated state is permeable to ink but practically impermeable to air.
  • negative pressure can be maintained in the ink chamber while a continuous supply of ink is possible via the porous material.
  • the negative pressure in the ink chamber contributes to the ink moving from the ink supply opening via the porous material to the ink chamber and remaining there. If the ink supply opening is situated above the ink chamber in an operative state, gravity can also play a part in this. If no more ink is supplied, a quantity of ink determined by the capillary action remains in the openings of the porous material.
  • the surface tension exerted as a result by the ink in each opening is sufficient to counteract the negative pressure. Only when ink is again supplied via the ink supply opening is this surface tension broken and the ink can again move to the ink chamber.
  • the porous material also has a filter function in order to retain unwanted impurities in the supplied ink.
  • providing filter material such as the said porous material at the ink supply opening instead of in a liquid transport duct between the ink chamber and an inkjet printhead is more advantageous due to the higher permissible throughflow resistance of the filter material.
  • the minimum throughflow resistance in the first case is determined by the average quantity of ink to be transported, and not by the instantaneous quantity of ink to be transported. The throughflow resistance can then be greater and the openings smaller.
  • porous material has the smallest dimension in the direction pointing towards the ink chamber.
  • An example of this is the thin wall of porous material closing off the ink chamber.
  • a supply of ink there is in this case a large movement of ink through the porous material in the direction of the ink chamber.
  • a hermetic seal only a relatively thin layer of ink-saturated material is required, while a large surface towards the ink chamber is favourable for optimal supply.
  • porous material is permeable to ink both in the direction pointing towards the ink chamber and in the directions perpendicular thereto.
  • a further improved embodiment is characterised in that the porous material is formed by a regular woven fabric of threads or wires. In woven fabrics, the openings between the threads or wires are accurately fixed as regards size and uniformity. As a result the risk of clogging or leakages is reduced. On the other hand, with woven fabrics there is a good movement of ink over the surface of the woven fabric itself.
  • a woven fabric is characterised in that the threads or wires in a first weaving direction have a diameter differing from the threads or wires in a second weaving direction.
  • Woven fabrics of this kind are also known by the name "Dutch weave". In this it is primarily the thinner threads or wires that are deformed. This results in an opening no longer lying in one straight plane, as in the case of sieve gauze, but in a curved plane.
  • a woven fabric of this kind there is an improved spread of ink over the total surface of the woven fabric.
  • the passage openings are defined more accurately as regards size. The sealing effect can be guaranteed more satisfactorily as a result.
  • Another embodiment is also characterised in that at least part of the porous material in an operative mode is in liquid contact with the ink normally present in the ink chamber in the operative mode.
  • the ink supply container comprises a second ink chamber in liquid communication with the first ink chamber, which second ink chamber in the operative mode is situated above the first ink chamber as considered in the direction of gravity. Since all the porous material is now beneath the ink level of the second ink chamber, complete saturation of the porous material is obtained.
  • the plane formed by the porous material and directed towards the ink chamber forms, in the operative mode, a plane oriented obliquely with respect to the gravity direction. Any air present in the ink chamber and moving towards an ink surface defined by the porous material is now compelled to seek the highest point thereof. In this way such air does not accumulate in front of the porous material but can be discharged via an opening intended for the purpose.
  • the ink supply container is provided with an opening leading out to the at least one ink chamber and suitable for connection to means for applying a substantially constant negative pressure in the at least one ink chamber.
  • the said means may, for example, comprise a diaphragm connected to a spring, a bellows construction or a piston and cylinder combination. In this way a negative pressure can be transmitted to the ink chamber and in particular also to that part of the ink chamber which adjoins the porous material.
  • Fig. 1 illustrates diagrammatic cross-sections of five different embodiments of an ink supply container according to the invention.
  • Fig. 2 shows two embodiments of porous material.
  • Fig. 3 is a diagrammatic perspective view of the ink supply container of Fig. 1 C in combination with an inkjet printhead.
  • Fig. 4 shows the ink supply container of Fig. 1 C in combination with means for applying a negative pressure
  • Fig. 5 diagrammatically shows a detail of the ink supply container and inkjet printhead shown in Fig. 3.
  • Fig. 1 A shows a first embodiment of an ink supply container 1 according to the invention.
  • the ink supply container 1 comprises an ink supply opening 2 for supplying ink from a larger ink reservoir not shown in detail.
  • An ink chamber 3 is formed by the wall of the ink supply container 1 and a separate wall of porous material 4. This porous material 4 divides the ink chamber 3 from the ink supply opening 2.
  • An opening 5 leading into the ink chamber 3 is also provided in the wall of the ink supply container 1.
  • the opening 5 serves for connecting means (not shown in detail) for applying a negative pressure to the ink chamber 3.
  • an ink outflow opening 6 is shown diagrammatically, such opening being suitable for connection to an inkjet printhead (not shown). Further details concerning the means for applying a negative pressure and concerning the inkjet head will be explained by reference to the following Figures.
  • Fig. 1A also shows where the ink 7 is situated in an operative mode.
  • the ink level 8 is shown diagrammatically.
  • the ink supply container 1 according to the invention is suitable both for water-based ink liquid at room temperature and for meltable ink not liquid at room temperature. This latter ink is also known as hotmelt ink. When meltable ink of this kind is used, the ink supply container 1 is heated by heating means suitable for the purpose, in order to keep the ink present therein in the liquid state.
  • the porous material 4 is of the type suitable for passing to the ink chamber 3 the liquid ink supplied via the ink supply opening 2. Since the microducts (not shown in detail) present in the porous material 4 will be filled with ink in these circumstances, the porous material 4 will on the other hand be in an ink-saturated state practically impermeable to air. As a result, a negative pressure can be maintained in the ink chamber 3 while a continuous supply of ink is possible.
  • minuscule air bubbles present in the ink through diffusion can diffuse through the ink. This is a slow process, however. Despite this diffusion, the resistance to air is still such that a negative pressure can be maintained over a long time. The pressure loss occurring as a result of the said diffusion can if necessary be constantly or periodically compensated via the opening 5 by means suitable for the purpose.
  • the capillary action of the microducts in the porous material 4 will cause ink to remain therein, so that the porous layer 4 will remain saturated with ink.
  • the maximum size of the microducts with which the effect thus described is obtained will be determined, on the one hand, by the properties of the ink to be used and, on the other hand, by the shape and length and surface properties of the microducts.
  • the surface tension of the ink particularly plays a great part in this.
  • a negative pressure is maintained in the ink chamber 3 corresponding to a pressure exerted by a water column of a height of from 10 to 200 mm.
  • the pressure required is also determined by the size of the nozzles of a connected inkjet printhead.
  • Fig. 1B gives an example of a second embodiment in which the transverse plane of the porous material 4 is at an angle of less than 90° to the gravity direction 9. Also, in the embodiment according to Fig. 1B the porous material 4 is in continuous liquid connection with the ink 7 in the ink chamber 3 in the operative mode. As a result, this provides extra security that the porous material 4 remains saturated with ink. The negative pressure present in the ink chamber 3 now plays a more important part in order now to keep the ink 7 in the ink chamber 3.
  • Fig. 1 C shows a third embodiment in which the entire transverse plane of the porous material 4 is now in liquid contact with the ink 7 present in an operative mode.
  • the ink supply container is now provided with a second ink chamber 10 in addition to the above-mentioned first ink chamber 3.
  • the second ink chamber 10 is higher than the first ink chamber 3 and is in liquid communication therewith via a duct 11.
  • the ink level 8 is higher, as viewed in the gravity direction 9, than the porous material 4.
  • a further advantage of the embodiment shown in Fig. 1 C is that any air bubbles present in the ink 7 will not accumulate over the entire surface of the porous material 4, but will migrate to the highest point of the ink chamber 3. The air accumulating here will finally pass to the second ink chamber 10 via the duct 11.
  • the advantage of this is that the first ink chamber 3 remains free of air as far as possible, thus reducing the risk of blockage of the ink outflow opening 6 by an air bubble.
  • any air present in an inkjet head connected to the ink supply container 1 can be removed from the inkjet printhead by pressure pulses applied briefly in the ink chambers 10 and 3 by means suitable for the purpose (not shown in detail).
  • Fig. 1 D shows an embodiment in which the porous material 4 is beneath the ink chamber 3 in the operative mode, with the direction of gravity corresponding to the direction 9 indicated.
  • this embodiment has the advantage that the porous material is always in contact with the ink in ink chamber 3 over the entire surface, but now without the second ink chamber 8 required in Fig. 1C.
  • Fig. 1 E finally shows a simple embodiment in which the surface of the porous material 4 in the operative mode is disposed parallel to the direction 9 indicated for gravity.
  • the porous material 4 can, for example, consist of solid stone-like material but can also be formed by a woven fabric of threads or wires such as, for example, regularly woven sieve gauze with a fixed mesh width.
  • a woven fabric of this kind is shown in Fig. 2.
  • the woven fabric shown in Figs. 2A and 2B is of the type in which the threads or wires 12 in a first weaving direction are thicker than the threads or wires 13 in a second weaving direction.
  • the thinner threads or wires 13 will in these conditions be the most subjected to deformation.
  • the openings formed by the threads or wires 12 and 13 are not situated in the same plane but are curved. These openings do not lie solely perpendicularly to the direction of the ink throughflow and thus form a greater resistance thereto.
  • this type of woven fabric gives a smoother surface.
  • This type of gauze is known as "Dutch weave".
  • An effective woven fabric is obtained by using stainless steel wire of a diameter of 25 micrometers for the thin threads or wires 13 and stainless steel wire with a diameter of 50 micrometers for the thick threads or wires 12.
  • the throughflow opening to be formed in these conditions is determined by a retention size of between 5 and 30 micrometers and preferably between 10 and 15 micrometers.
  • the retention size is determined by the maximum size of a glass bead which can still pass through the woven fabric.
  • the retention size is determined experimentally by using a suspension of glass beads of various sizes.
  • An indirect and more practical measurement is a "bubble point test", in which the positive pressure is measured for overcoming the surface tension in an immersed piece of woven fabric.
  • the size of the openings in the porous material 4 or, in the case of the "Dutch weave", the retention size, is related to the negative pressure required and hence the size of the nozzles of the connected inkjet printhead.
  • a small opening size does not obstruct the throughflow of the ink to be supplied, so that a compromise must be drawn.
  • Fig. 2B shows an embodiment of filter gauze in which the thinner wires 13 are arranged after the style of pantiles.
  • Fig. 3 shows three-dimensionally the ink supply container 1 of the embodiment shown in Fig. 1C, but now in combination with an inkjet printhead.
  • the numbering used for the separate parts of the ink supply container accordingly corresponds to the numbering of Fig. 1C and will not be explained further.
  • Each of the ink outflow openings 6 provided on the two sides of the first ink chamber 3 is connected to a duct plate 14 with liquid ducts 16 therein, such ducts being shown diagrammatically and leading into nozzles (not shown). The diameter of these nozzles is about 30 micrometers.
  • an actuator plate 15 comprising piezo-electric material.
  • each liquid duct 16 of the duct plate 14 can be influenced separately by applying a voltage pulse to a part of the piezo-electric material which corresponds to said liquid duct 16 and which is to be controlled separately.
  • the resulting deformation of the piezo-electric material results in a constriction in the corresponding liquid duct 16 so that the ink present therein is ejected via the nozzle.
  • the ink supply container according to the invention is not restricted to an inkjet head of this type.
  • an inkjet printhead of the piezo-electric type it is also possible to connect an inkjet printhead of the thermal type. In that case, the ink present in a liquid duct is briefly heated so that a vapour bubble is formed which ejects the ink present in the liquid duct.
  • Fig. 4 shows the ink supply container embodiment illustrated in Fig. 1C and Fig. 3, but now in combination with an advantageous embodiment of means for applying and maintaining a negative pressure in the ink chambers 3 and 10.
  • a bellows 17 is connected to the opening 5 intended for the purpose in the ink chamber 10.
  • the bellows 17 consists of elastic material with a number of folds 19. In an operative mode, the bellows 17 is in a partly collapsed state so that as a result of the force exerted by the elastic material, the required negative pressure is obtained. Volume variations due to changes in the ink level 8 are absorbed by volume variations of the bellows 17. As a result the negative pressure remains substantially constant.
  • a non-return valve 18 is finally provided to allow air present in the bellows 17 to escape on filling.
  • Fig. 5A shows in greater detail a cross-section of the ink supply container of Fig. 3 in combination with an inkjet printhead. The numbering corresponds thereto. How the ink outflow opening 6 of the ink chamber 3 of the ink supply container connects with the liquid ducts 16 of the duct plate 14 is now particularly more readily visible. The nozzles 20 of the ducts 16 are now also more readily visible.
  • Fig. 5B is a cross-section of the ink supply container and the inkjet printhead on the line I-I shown in Fig. 5A.

Landscapes

  • Ink Jet (AREA)
EP99200093A 1998-01-16 1999-01-12 Réservoir d'alimentation en encre pouvant être raccordé à une imprimante à jet d'encre, système contenant un tel réservoir et tête d'impression à jet d'encre Expired - Lifetime EP0931659B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1008040A NL1008040C2 (nl) 1998-01-16 1998-01-16 Inktvoorraadhouder geschikt voor aansluiting op een inkjetprintkop alsmede een systeem van een dergelijke inktvoorraadhouder en een inkjetprintkop.
NL1008040 1998-01-16

Publications (2)

Publication Number Publication Date
EP0931659A1 true EP0931659A1 (fr) 1999-07-28
EP0931659B1 EP0931659B1 (fr) 2003-09-24

Family

ID=19766355

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99200093A Expired - Lifetime EP0931659B1 (fr) 1998-01-16 1999-01-12 Réservoir d'alimentation en encre pouvant être raccordé à une imprimante à jet d'encre, système contenant un tel réservoir et tête d'impression à jet d'encre

Country Status (5)

Country Link
US (1) US6296352B1 (fr)
EP (1) EP0931659B1 (fr)
JP (1) JP4260954B2 (fr)
DE (1) DE69911476T2 (fr)
NL (1) NL1008040C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1080915A2 (fr) 1999-09-03 2001-03-07 Canon Kabushiki Kaisha Unité de tête à jet de liquide et procédé de fabrication

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4047259B2 (ja) * 2003-09-29 2008-02-13 キヤノン株式会社 インク供給システム
JP4726501B2 (ja) * 2005-01-21 2011-07-20 キヤノンファインテック株式会社 インクジェット記録ヘッドおよびインクジェット記録装置
US7996455B2 (en) 2005-06-17 2011-08-09 Adaptive Computing Enterprises, Inc. System and method for providing dynamic roll-back reservations in time
US7703903B2 (en) * 2006-07-10 2010-04-27 Silverbrook Research Pty Ltd Ink reservoir for inkjet printhead
US7748830B2 (en) * 2006-11-27 2010-07-06 Xerox Corporation Printhead reservoir with filter external to jet fluid path
JP5224754B2 (ja) * 2006-11-29 2013-07-03 キヤノン株式会社 インクジェット記録装置
JP2015047830A (ja) * 2013-09-04 2015-03-16 セイコーエプソン株式会社 液体収容容器
NL2028209B1 (en) * 2021-05-12 2022-11-30 Canon Kk A fluid distribution device for an inkjet print head assembly

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4509062A (en) 1982-11-23 1985-04-02 Hewlett-Packard Company Ink reservoir with essentially constant negative back pressure
US4571599A (en) 1984-12-03 1986-02-18 Xerox Corporation Ink cartridge for an ink jet printer
US4791438A (en) 1987-10-28 1988-12-13 Hewlett-Packard Company Balanced capillary ink jet pen for ink jet printing systems
EP0381392A2 (fr) * 1989-01-28 1990-08-08 Canon Kabushiki Kaisha Appareil à jet d'encre et tête à jet d'encre
US5039999A (en) 1990-06-26 1991-08-13 Hewlett-Packard Company Accumulator and pressure control for ink-ket pens
EP0444654A1 (fr) 1990-02-28 1991-09-04 Canon Kabushiki Kaisha Appareil à jet d'encre
EP0536980A2 (fr) * 1991-10-10 1993-04-14 Ing. C. Olivetti & C., S.p.A. Méthode et dispositif pour le réapprovisionnement en encre d'une tête à jet d'encre
EP0605183A2 (fr) * 1992-12-28 1994-07-06 OLIVETTI-CANON INDUSTRIALE S.p.A. Dispositif pour tenir des cartouches et les maintenir en état d'alimentation d'encre dans une imprimante à jet d'encre
EP0645244A1 (fr) 1993-09-03 1995-03-29 Canon Kabushiki Kaisha Tête à jet d'encre et appareil d'enregistrement par jet d'encre l'utilisant
DE19534577A1 (de) * 1994-09-16 1996-03-28 Seiko Epson Corp Tintenstrahldrucker, Tintenpatrone für Tintenstrahldrucker sowie System und Verfahren zur Tintenzufuhr
DE19613654A1 (de) * 1995-04-05 1996-10-10 Seiko Epson Corp Tintenstrahlaufzeichnungsvorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2711846B2 (ja) * 1987-03-13 1998-02-10 キヤノン株式会社 インクジェット記録装置の操作方法
JP2962854B2 (ja) * 1991-04-25 1999-10-12 キヤノン株式会社 インクジェットヘッドカートリッジ及び該カートリッジを搭載したインクジェット装置
JP3160411B2 (ja) * 1992-03-18 2001-04-25 キヤノン株式会社 インクジェット記録装置、インクジェット記録ヘッド、インクジェットユニット、およびインクジェット記録装置の加圧回復方法
KR970004231B1 (ko) * 1992-10-02 1997-03-26 캐논 가부시끼가이샤 잉크 공급기구, 이러한 기구를 구비한 잉크제트 카트리지 및 이러한 기구를 구비한 잉크제트 기록장치

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4509062A (en) 1982-11-23 1985-04-02 Hewlett-Packard Company Ink reservoir with essentially constant negative back pressure
US4571599A (en) 1984-12-03 1986-02-18 Xerox Corporation Ink cartridge for an ink jet printer
US4791438A (en) 1987-10-28 1988-12-13 Hewlett-Packard Company Balanced capillary ink jet pen for ink jet printing systems
EP0381392A2 (fr) * 1989-01-28 1990-08-08 Canon Kabushiki Kaisha Appareil à jet d'encre et tête à jet d'encre
EP0444654A1 (fr) 1990-02-28 1991-09-04 Canon Kabushiki Kaisha Appareil à jet d'encre
US5039999A (en) 1990-06-26 1991-08-13 Hewlett-Packard Company Accumulator and pressure control for ink-ket pens
EP0536980A2 (fr) * 1991-10-10 1993-04-14 Ing. C. Olivetti & C., S.p.A. Méthode et dispositif pour le réapprovisionnement en encre d'une tête à jet d'encre
EP0605183A2 (fr) * 1992-12-28 1994-07-06 OLIVETTI-CANON INDUSTRIALE S.p.A. Dispositif pour tenir des cartouches et les maintenir en état d'alimentation d'encre dans une imprimante à jet d'encre
EP0645244A1 (fr) 1993-09-03 1995-03-29 Canon Kabushiki Kaisha Tête à jet d'encre et appareil d'enregistrement par jet d'encre l'utilisant
DE19534577A1 (de) * 1994-09-16 1996-03-28 Seiko Epson Corp Tintenstrahldrucker, Tintenpatrone für Tintenstrahldrucker sowie System und Verfahren zur Tintenzufuhr
DE19613654A1 (de) * 1995-04-05 1996-10-10 Seiko Epson Corp Tintenstrahlaufzeichnungsvorrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1080915A2 (fr) 1999-09-03 2001-03-07 Canon Kabushiki Kaisha Unité de tête à jet de liquide et procédé de fabrication
EP1080915B1 (fr) * 1999-09-03 2011-07-20 Canon Kabushiki Kaisha Dispositif de tête à jet de liquide

Also Published As

Publication number Publication date
NL1008040C2 (nl) 1999-07-19
DE69911476D1 (de) 2003-10-30
JP4260954B2 (ja) 2009-04-30
DE69911476T2 (de) 2004-06-24
JPH11254696A (ja) 1999-09-21
EP0931659B1 (fr) 2003-09-24
US6296352B1 (en) 2001-10-02

Similar Documents

Publication Publication Date Title
US5453771A (en) Ink tank
KR100388332B1 (ko) 잉크젯 기록 장치용 잉크 카트리지, 접속 유닛 및 잉크젯기록 장치
JP3156319B2 (ja) インク・ジェット印刷機用のインク・カートリッジ
US5657065A (en) Porous medium for ink delivery systems
US6866372B2 (en) Ink jet printer
JPH0899413A (ja) インク補充方法および装置
EP0931659B1 (fr) Réservoir d'alimentation en encre pouvant être raccordé à une imprimante à jet d'encre, système contenant un tel réservoir et tête d'impression à jet d'encre
US6007191A (en) Ink supply unit
US7185977B2 (en) Ink tank and ink supplying apparatus
US6000790A (en) Ink supply device
JPWO2009072656A1 (ja) 液体収納容器
US6102535A (en) Ink cartridge with closing device
DE19723064C2 (de) Tintenvorratseinrichtung und Verfahren zum Zuführen von Tinte in einem Tintenstrahldruckkopf
JP3163864B2 (ja) インク供給装置
JP2006044015A (ja) インクジェット印刷装置
JP3136860B2 (ja) インク供給装置
JPH0776098A (ja) インクジェット用インクカートリッジ
CN1891470B (zh) 一种用于喷墨记录设备的油墨盒和一种喷墨记录设备
JPH07314709A (ja) インクタンク
US11912040B2 (en) Replenishable liquid storage tank including backpressure application member, and image-forming apparatus provided with the same
JPH11115200A (ja) 液体噴射記録装置
JP4298325B2 (ja) インクジェット記録ヘッドを保護するキャップユニット
JPH0667034U (ja) インクカートリッジ
KR100376204B1 (ko) 잉크젯 프린터용 잉크 카트리지
JPS5857963A (ja) インク供給装置

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB NL

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20000128

AKX Designation fees paid

Free format text: DE FR GB NL

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB NL

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 69911476

Country of ref document: DE

Date of ref document: 20031030

Kind code of ref document: P

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20040625

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 18

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 19

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20180118

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20180119

Year of fee payment: 20

Ref country code: DE

Payment date: 20180122

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20180119

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 69911476

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: MK

Effective date: 20190111

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20190111

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20190111